TKK_E32232028/.venv/lib/python3.10/site-packages/retinaface/model/retinaface_model.py

1517 lines
45 KiB
Python

import os
from pathlib import Path
import gdown
import tensorflow as tf
from retinaface.commons.logger import Logger
logger = Logger(module="retinaface/model/retinaface_model.py")
# pylint: disable=too-many-statements, no-name-in-module
# configurations
tf_version = int(tf.__version__.split(".", maxsplit=1)[0])
if tf_version == 1:
from keras.models import Model
from keras.layers import (
Input,
BatchNormalization,
ZeroPadding2D,
Conv2D,
ReLU,
MaxPool2D,
Add,
UpSampling2D,
concatenate,
Softmax,
)
else:
from tensorflow.keras.models import Model
from tensorflow.keras.layers import (
Input,
BatchNormalization,
ZeroPadding2D,
Conv2D,
ReLU,
MaxPool2D,
Add,
UpSampling2D,
concatenate,
Softmax,
)
def load_weights(model: Model):
"""
Loading pre-trained weights for the RetinaFace model
Args:
model (Model): retinaface model structure with randon weights
Returns:
model (Model): retinaface model with its structure and pre-trained weights
"""
home = str(os.getenv("DEEPFACE_HOME", default=str(Path.home())))
exact_file = home + "/.deepface/weights/retinaface.h5"
url = "https://github.com/serengil/deepface_models/releases/download/v1.0/retinaface.h5"
# -----------------------------
if not os.path.exists(home + "/.deepface"):
os.mkdir(home + "/.deepface")
logger.info(f"Directory {home}/.deepface created")
if not os.path.exists(home + "/.deepface/weights"):
os.mkdir(home + "/.deepface/weights")
logger.info(f"Directory {home}/.deepface/weights created")
# -----------------------------
if os.path.isfile(exact_file) is not True:
logger.info(f"retinaface.h5 will be downloaded from the url {url}")
gdown.download(url, exact_file, quiet=False)
# -----------------------------
# gdown should download the pretrained weights here.
# If it does not still exist, then throw an exception.
if os.path.isfile(exact_file) is not True:
raise ValueError(
"Pre-trained weight could not be loaded!"
+ " You might try to download the pre-trained weights from the url "
+ url
+ " and copy it to the ",
exact_file,
"manually.",
)
model.load_weights(exact_file)
return model
def build_model() -> Model:
"""
Build RetinaFace model
"""
data = Input(dtype=tf.float32, shape=(None, None, 3), name="data")
bn_data = BatchNormalization(epsilon=1.9999999494757503e-05, name="bn_data", trainable=False)(
data
)
conv0_pad = ZeroPadding2D(padding=tuple([3, 3]))(bn_data)
conv0 = Conv2D(
filters=64,
kernel_size=(7, 7),
name="conv0",
strides=[2, 2],
padding="VALID",
use_bias=False,
)(conv0_pad)
bn0 = BatchNormalization(epsilon=1.9999999494757503e-05, name="bn0", trainable=False)(conv0)
relu0 = ReLU(name="relu0")(bn0)
pooling0_pad = ZeroPadding2D(padding=tuple([1, 1]))(relu0)
pooling0 = MaxPool2D((3, 3), (2, 2), padding="valid", name="pooling0")(pooling0_pad)
stage1_unit1_bn1 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage1_unit1_bn1", trainable=False
)(pooling0)
stage1_unit1_relu1 = ReLU(name="stage1_unit1_relu1")(stage1_unit1_bn1)
stage1_unit1_conv1 = Conv2D(
filters=64,
kernel_size=(1, 1),
name="stage1_unit1_conv1",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage1_unit1_relu1)
stage1_unit1_sc = Conv2D(
filters=256,
kernel_size=(1, 1),
name="stage1_unit1_sc",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage1_unit1_relu1)
stage1_unit1_bn2 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage1_unit1_bn2", trainable=False
)(stage1_unit1_conv1)
stage1_unit1_relu2 = ReLU(name="stage1_unit1_relu2")(stage1_unit1_bn2)
stage1_unit1_conv2_pad = ZeroPadding2D(padding=tuple([1, 1]))(stage1_unit1_relu2)
stage1_unit1_conv2 = Conv2D(
filters=64,
kernel_size=(3, 3),
name="stage1_unit1_conv2",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage1_unit1_conv2_pad)
stage1_unit1_bn3 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage1_unit1_bn3", trainable=False
)(stage1_unit1_conv2)
stage1_unit1_relu3 = ReLU(name="stage1_unit1_relu3")(stage1_unit1_bn3)
stage1_unit1_conv3 = Conv2D(
filters=256,
kernel_size=(1, 1),
name="stage1_unit1_conv3",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage1_unit1_relu3)
plus0_v1 = Add()([stage1_unit1_conv3, stage1_unit1_sc])
stage1_unit2_bn1 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage1_unit2_bn1", trainable=False
)(plus0_v1)
stage1_unit2_relu1 = ReLU(name="stage1_unit2_relu1")(stage1_unit2_bn1)
stage1_unit2_conv1 = Conv2D(
filters=64,
kernel_size=(1, 1),
name="stage1_unit2_conv1",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage1_unit2_relu1)
stage1_unit2_bn2 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage1_unit2_bn2", trainable=False
)(stage1_unit2_conv1)
stage1_unit2_relu2 = ReLU(name="stage1_unit2_relu2")(stage1_unit2_bn2)
stage1_unit2_conv2_pad = ZeroPadding2D(padding=tuple([1, 1]))(stage1_unit2_relu2)
stage1_unit2_conv2 = Conv2D(
filters=64,
kernel_size=(3, 3),
name="stage1_unit2_conv2",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage1_unit2_conv2_pad)
stage1_unit2_bn3 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage1_unit2_bn3", trainable=False
)(stage1_unit2_conv2)
stage1_unit2_relu3 = ReLU(name="stage1_unit2_relu3")(stage1_unit2_bn3)
stage1_unit2_conv3 = Conv2D(
filters=256,
kernel_size=(1, 1),
name="stage1_unit2_conv3",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage1_unit2_relu3)
plus1_v2 = Add()([stage1_unit2_conv3, plus0_v1])
stage1_unit3_bn1 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage1_unit3_bn1", trainable=False
)(plus1_v2)
stage1_unit3_relu1 = ReLU(name="stage1_unit3_relu1")(stage1_unit3_bn1)
stage1_unit3_conv1 = Conv2D(
filters=64,
kernel_size=(1, 1),
name="stage1_unit3_conv1",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage1_unit3_relu1)
stage1_unit3_bn2 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage1_unit3_bn2", trainable=False
)(stage1_unit3_conv1)
stage1_unit3_relu2 = ReLU(name="stage1_unit3_relu2")(stage1_unit3_bn2)
stage1_unit3_conv2_pad = ZeroPadding2D(padding=tuple([1, 1]))(stage1_unit3_relu2)
stage1_unit3_conv2 = Conv2D(
filters=64,
kernel_size=(3, 3),
name="stage1_unit3_conv2",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage1_unit3_conv2_pad)
stage1_unit3_bn3 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage1_unit3_bn3", trainable=False
)(stage1_unit3_conv2)
stage1_unit3_relu3 = ReLU(name="stage1_unit3_relu3")(stage1_unit3_bn3)
stage1_unit3_conv3 = Conv2D(
filters=256,
kernel_size=(1, 1),
name="stage1_unit3_conv3",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage1_unit3_relu3)
plus2 = Add()([stage1_unit3_conv3, plus1_v2])
stage2_unit1_bn1 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage2_unit1_bn1", trainable=False
)(plus2)
stage2_unit1_relu1 = ReLU(name="stage2_unit1_relu1")(stage2_unit1_bn1)
stage2_unit1_conv1 = Conv2D(
filters=128,
kernel_size=(1, 1),
name="stage2_unit1_conv1",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage2_unit1_relu1)
stage2_unit1_sc = Conv2D(
filters=512,
kernel_size=(1, 1),
name="stage2_unit1_sc",
strides=[2, 2],
padding="VALID",
use_bias=False,
)(stage2_unit1_relu1)
stage2_unit1_bn2 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage2_unit1_bn2", trainable=False
)(stage2_unit1_conv1)
stage2_unit1_relu2 = ReLU(name="stage2_unit1_relu2")(stage2_unit1_bn2)
stage2_unit1_conv2_pad = ZeroPadding2D(padding=tuple([1, 1]))(stage2_unit1_relu2)
stage2_unit1_conv2 = Conv2D(
filters=128,
kernel_size=(3, 3),
name="stage2_unit1_conv2",
strides=[2, 2],
padding="VALID",
use_bias=False,
)(stage2_unit1_conv2_pad)
stage2_unit1_bn3 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage2_unit1_bn3", trainable=False
)(stage2_unit1_conv2)
stage2_unit1_relu3 = ReLU(name="stage2_unit1_relu3")(stage2_unit1_bn3)
stage2_unit1_conv3 = Conv2D(
filters=512,
kernel_size=(1, 1),
name="stage2_unit1_conv3",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage2_unit1_relu3)
plus3 = Add()([stage2_unit1_conv3, stage2_unit1_sc])
stage2_unit2_bn1 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage2_unit2_bn1", trainable=False
)(plus3)
stage2_unit2_relu1 = ReLU(name="stage2_unit2_relu1")(stage2_unit2_bn1)
stage2_unit2_conv1 = Conv2D(
filters=128,
kernel_size=(1, 1),
name="stage2_unit2_conv1",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage2_unit2_relu1)
stage2_unit2_bn2 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage2_unit2_bn2", trainable=False
)(stage2_unit2_conv1)
stage2_unit2_relu2 = ReLU(name="stage2_unit2_relu2")(stage2_unit2_bn2)
stage2_unit2_conv2_pad = ZeroPadding2D(padding=tuple([1, 1]))(stage2_unit2_relu2)
stage2_unit2_conv2 = Conv2D(
filters=128,
kernel_size=(3, 3),
name="stage2_unit2_conv2",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage2_unit2_conv2_pad)
stage2_unit2_bn3 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage2_unit2_bn3", trainable=False
)(stage2_unit2_conv2)
stage2_unit2_relu3 = ReLU(name="stage2_unit2_relu3")(stage2_unit2_bn3)
stage2_unit2_conv3 = Conv2D(
filters=512,
kernel_size=(1, 1),
name="stage2_unit2_conv3",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage2_unit2_relu3)
plus4 = Add()([stage2_unit2_conv3, plus3])
stage2_unit3_bn1 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage2_unit3_bn1", trainable=False
)(plus4)
stage2_unit3_relu1 = ReLU(name="stage2_unit3_relu1")(stage2_unit3_bn1)
stage2_unit3_conv1 = Conv2D(
filters=128,
kernel_size=(1, 1),
name="stage2_unit3_conv1",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage2_unit3_relu1)
stage2_unit3_bn2 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage2_unit3_bn2", trainable=False
)(stage2_unit3_conv1)
stage2_unit3_relu2 = ReLU(name="stage2_unit3_relu2")(stage2_unit3_bn2)
stage2_unit3_conv2_pad = ZeroPadding2D(padding=tuple([1, 1]))(stage2_unit3_relu2)
stage2_unit3_conv2 = Conv2D(
filters=128,
kernel_size=(3, 3),
name="stage2_unit3_conv2",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage2_unit3_conv2_pad)
stage2_unit3_bn3 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage2_unit3_bn3", trainable=False
)(stage2_unit3_conv2)
stage2_unit3_relu3 = ReLU(name="stage2_unit3_relu3")(stage2_unit3_bn3)
stage2_unit3_conv3 = Conv2D(
filters=512,
kernel_size=(1, 1),
name="stage2_unit3_conv3",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage2_unit3_relu3)
plus5 = Add()([stage2_unit3_conv3, plus4])
stage2_unit4_bn1 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage2_unit4_bn1", trainable=False
)(plus5)
stage2_unit4_relu1 = ReLU(name="stage2_unit4_relu1")(stage2_unit4_bn1)
stage2_unit4_conv1 = Conv2D(
filters=128,
kernel_size=(1, 1),
name="stage2_unit4_conv1",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage2_unit4_relu1)
stage2_unit4_bn2 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage2_unit4_bn2", trainable=False
)(stage2_unit4_conv1)
stage2_unit4_relu2 = ReLU(name="stage2_unit4_relu2")(stage2_unit4_bn2)
stage2_unit4_conv2_pad = ZeroPadding2D(padding=tuple([1, 1]))(stage2_unit4_relu2)
stage2_unit4_conv2 = Conv2D(
filters=128,
kernel_size=(3, 3),
name="stage2_unit4_conv2",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage2_unit4_conv2_pad)
stage2_unit4_bn3 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage2_unit4_bn3", trainable=False
)(stage2_unit4_conv2)
stage2_unit4_relu3 = ReLU(name="stage2_unit4_relu3")(stage2_unit4_bn3)
stage2_unit4_conv3 = Conv2D(
filters=512,
kernel_size=(1, 1),
name="stage2_unit4_conv3",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage2_unit4_relu3)
plus6 = Add()([stage2_unit4_conv3, plus5])
stage3_unit1_bn1 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage3_unit1_bn1", trainable=False
)(plus6)
stage3_unit1_relu1 = ReLU(name="stage3_unit1_relu1")(stage3_unit1_bn1)
stage3_unit1_conv1 = Conv2D(
filters=256,
kernel_size=(1, 1),
name="stage3_unit1_conv1",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage3_unit1_relu1)
stage3_unit1_sc = Conv2D(
filters=1024,
kernel_size=(1, 1),
name="stage3_unit1_sc",
strides=[2, 2],
padding="VALID",
use_bias=False,
)(stage3_unit1_relu1)
stage3_unit1_bn2 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage3_unit1_bn2", trainable=False
)(stage3_unit1_conv1)
stage3_unit1_relu2 = ReLU(name="stage3_unit1_relu2")(stage3_unit1_bn2)
stage3_unit1_conv2_pad = ZeroPadding2D(padding=tuple([1, 1]))(stage3_unit1_relu2)
stage3_unit1_conv2 = Conv2D(
filters=256,
kernel_size=(3, 3),
name="stage3_unit1_conv2",
strides=[2, 2],
padding="VALID",
use_bias=False,
)(stage3_unit1_conv2_pad)
ssh_m1_red_conv = Conv2D(
filters=256,
kernel_size=(1, 1),
name="ssh_m1_red_conv",
strides=[1, 1],
padding="VALID",
use_bias=True,
)(stage3_unit1_relu2)
stage3_unit1_bn3 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage3_unit1_bn3", trainable=False
)(stage3_unit1_conv2)
ssh_m1_red_conv_bn = BatchNormalization(
epsilon=1.9999999494757503e-05, name="ssh_m1_red_conv_bn", trainable=False
)(ssh_m1_red_conv)
stage3_unit1_relu3 = ReLU(name="stage3_unit1_relu3")(stage3_unit1_bn3)
ssh_m1_red_conv_relu = ReLU(name="ssh_m1_red_conv_relu")(ssh_m1_red_conv_bn)
stage3_unit1_conv3 = Conv2D(
filters=1024,
kernel_size=(1, 1),
name="stage3_unit1_conv3",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage3_unit1_relu3)
plus7 = Add()([stage3_unit1_conv3, stage3_unit1_sc])
stage3_unit2_bn1 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage3_unit2_bn1", trainable=False
)(plus7)
stage3_unit2_relu1 = ReLU(name="stage3_unit2_relu1")(stage3_unit2_bn1)
stage3_unit2_conv1 = Conv2D(
filters=256,
kernel_size=(1, 1),
name="stage3_unit2_conv1",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage3_unit2_relu1)
stage3_unit2_bn2 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage3_unit2_bn2", trainable=False
)(stage3_unit2_conv1)
stage3_unit2_relu2 = ReLU(name="stage3_unit2_relu2")(stage3_unit2_bn2)
stage3_unit2_conv2_pad = ZeroPadding2D(padding=tuple([1, 1]))(stage3_unit2_relu2)
stage3_unit2_conv2 = Conv2D(
filters=256,
kernel_size=(3, 3),
name="stage3_unit2_conv2",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage3_unit2_conv2_pad)
stage3_unit2_bn3 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage3_unit2_bn3", trainable=False
)(stage3_unit2_conv2)
stage3_unit2_relu3 = ReLU(name="stage3_unit2_relu3")(stage3_unit2_bn3)
stage3_unit2_conv3 = Conv2D(
filters=1024,
kernel_size=(1, 1),
name="stage3_unit2_conv3",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage3_unit2_relu3)
plus8 = Add()([stage3_unit2_conv3, plus7])
stage3_unit3_bn1 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage3_unit3_bn1", trainable=False
)(plus8)
stage3_unit3_relu1 = ReLU(name="stage3_unit3_relu1")(stage3_unit3_bn1)
stage3_unit3_conv1 = Conv2D(
filters=256,
kernel_size=(1, 1),
name="stage3_unit3_conv1",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage3_unit3_relu1)
stage3_unit3_bn2 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage3_unit3_bn2", trainable=False
)(stage3_unit3_conv1)
stage3_unit3_relu2 = ReLU(name="stage3_unit3_relu2")(stage3_unit3_bn2)
stage3_unit3_conv2_pad = ZeroPadding2D(padding=tuple([1, 1]))(stage3_unit3_relu2)
stage3_unit3_conv2 = Conv2D(
filters=256,
kernel_size=(3, 3),
name="stage3_unit3_conv2",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage3_unit3_conv2_pad)
stage3_unit3_bn3 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage3_unit3_bn3", trainable=False
)(stage3_unit3_conv2)
stage3_unit3_relu3 = ReLU(name="stage3_unit3_relu3")(stage3_unit3_bn3)
stage3_unit3_conv3 = Conv2D(
filters=1024,
kernel_size=(1, 1),
name="stage3_unit3_conv3",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage3_unit3_relu3)
plus9 = Add()([stage3_unit3_conv3, plus8])
stage3_unit4_bn1 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage3_unit4_bn1", trainable=False
)(plus9)
stage3_unit4_relu1 = ReLU(name="stage3_unit4_relu1")(stage3_unit4_bn1)
stage3_unit4_conv1 = Conv2D(
filters=256,
kernel_size=(1, 1),
name="stage3_unit4_conv1",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage3_unit4_relu1)
stage3_unit4_bn2 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage3_unit4_bn2", trainable=False
)(stage3_unit4_conv1)
stage3_unit4_relu2 = ReLU(name="stage3_unit4_relu2")(stage3_unit4_bn2)
stage3_unit4_conv2_pad = ZeroPadding2D(padding=tuple([1, 1]))(stage3_unit4_relu2)
stage3_unit4_conv2 = Conv2D(
filters=256,
kernel_size=(3, 3),
name="stage3_unit4_conv2",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage3_unit4_conv2_pad)
stage3_unit4_bn3 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage3_unit4_bn3", trainable=False
)(stage3_unit4_conv2)
stage3_unit4_relu3 = ReLU(name="stage3_unit4_relu3")(stage3_unit4_bn3)
stage3_unit4_conv3 = Conv2D(
filters=1024,
kernel_size=(1, 1),
name="stage3_unit4_conv3",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage3_unit4_relu3)
plus10 = Add()([stage3_unit4_conv3, plus9])
stage3_unit5_bn1 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage3_unit5_bn1", trainable=False
)(plus10)
stage3_unit5_relu1 = ReLU(name="stage3_unit5_relu1")(stage3_unit5_bn1)
stage3_unit5_conv1 = Conv2D(
filters=256,
kernel_size=(1, 1),
name="stage3_unit5_conv1",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage3_unit5_relu1)
stage3_unit5_bn2 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage3_unit5_bn2", trainable=False
)(stage3_unit5_conv1)
stage3_unit5_relu2 = ReLU(name="stage3_unit5_relu2")(stage3_unit5_bn2)
stage3_unit5_conv2_pad = ZeroPadding2D(padding=tuple([1, 1]))(stage3_unit5_relu2)
stage3_unit5_conv2 = Conv2D(
filters=256,
kernel_size=(3, 3),
name="stage3_unit5_conv2",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage3_unit5_conv2_pad)
stage3_unit5_bn3 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage3_unit5_bn3", trainable=False
)(stage3_unit5_conv2)
stage3_unit5_relu3 = ReLU(name="stage3_unit5_relu3")(stage3_unit5_bn3)
stage3_unit5_conv3 = Conv2D(
filters=1024,
kernel_size=(1, 1),
name="stage3_unit5_conv3",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage3_unit5_relu3)
plus11 = Add()([stage3_unit5_conv3, plus10])
stage3_unit6_bn1 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage3_unit6_bn1", trainable=False
)(plus11)
stage3_unit6_relu1 = ReLU(name="stage3_unit6_relu1")(stage3_unit6_bn1)
stage3_unit6_conv1 = Conv2D(
filters=256,
kernel_size=(1, 1),
name="stage3_unit6_conv1",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage3_unit6_relu1)
stage3_unit6_bn2 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage3_unit6_bn2", trainable=False
)(stage3_unit6_conv1)
stage3_unit6_relu2 = ReLU(name="stage3_unit6_relu2")(stage3_unit6_bn2)
stage3_unit6_conv2_pad = ZeroPadding2D(padding=tuple([1, 1]))(stage3_unit6_relu2)
stage3_unit6_conv2 = Conv2D(
filters=256,
kernel_size=(3, 3),
name="stage3_unit6_conv2",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage3_unit6_conv2_pad)
stage3_unit6_bn3 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage3_unit6_bn3", trainable=False
)(stage3_unit6_conv2)
stage3_unit6_relu3 = ReLU(name="stage3_unit6_relu3")(stage3_unit6_bn3)
stage3_unit6_conv3 = Conv2D(
filters=1024,
kernel_size=(1, 1),
name="stage3_unit6_conv3",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage3_unit6_relu3)
plus12 = Add()([stage3_unit6_conv3, plus11])
stage4_unit1_bn1 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage4_unit1_bn1", trainable=False
)(plus12)
stage4_unit1_relu1 = ReLU(name="stage4_unit1_relu1")(stage4_unit1_bn1)
stage4_unit1_conv1 = Conv2D(
filters=512,
kernel_size=(1, 1),
name="stage4_unit1_conv1",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage4_unit1_relu1)
stage4_unit1_sc = Conv2D(
filters=2048,
kernel_size=(1, 1),
name="stage4_unit1_sc",
strides=[2, 2],
padding="VALID",
use_bias=False,
)(stage4_unit1_relu1)
stage4_unit1_bn2 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage4_unit1_bn2", trainable=False
)(stage4_unit1_conv1)
stage4_unit1_relu2 = ReLU(name="stage4_unit1_relu2")(stage4_unit1_bn2)
stage4_unit1_conv2_pad = ZeroPadding2D(padding=tuple([1, 1]))(stage4_unit1_relu2)
stage4_unit1_conv2 = Conv2D(
filters=512,
kernel_size=(3, 3),
name="stage4_unit1_conv2",
strides=[2, 2],
padding="VALID",
use_bias=False,
)(stage4_unit1_conv2_pad)
ssh_c2_lateral = Conv2D(
filters=256,
kernel_size=(1, 1),
name="ssh_c2_lateral",
strides=[1, 1],
padding="VALID",
use_bias=True,
)(stage4_unit1_relu2)
stage4_unit1_bn3 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage4_unit1_bn3", trainable=False
)(stage4_unit1_conv2)
ssh_c2_lateral_bn = BatchNormalization(
epsilon=1.9999999494757503e-05, name="ssh_c2_lateral_bn", trainable=False
)(ssh_c2_lateral)
stage4_unit1_relu3 = ReLU(name="stage4_unit1_relu3")(stage4_unit1_bn3)
ssh_c2_lateral_relu = ReLU(name="ssh_c2_lateral_relu")(ssh_c2_lateral_bn)
stage4_unit1_conv3 = Conv2D(
filters=2048,
kernel_size=(1, 1),
name="stage4_unit1_conv3",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage4_unit1_relu3)
plus13 = Add()([stage4_unit1_conv3, stage4_unit1_sc])
stage4_unit2_bn1 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage4_unit2_bn1", trainable=False
)(plus13)
stage4_unit2_relu1 = ReLU(name="stage4_unit2_relu1")(stage4_unit2_bn1)
stage4_unit2_conv1 = Conv2D(
filters=512,
kernel_size=(1, 1),
name="stage4_unit2_conv1",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage4_unit2_relu1)
stage4_unit2_bn2 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage4_unit2_bn2", trainable=False
)(stage4_unit2_conv1)
stage4_unit2_relu2 = ReLU(name="stage4_unit2_relu2")(stage4_unit2_bn2)
stage4_unit2_conv2_pad = ZeroPadding2D(padding=tuple([1, 1]))(stage4_unit2_relu2)
stage4_unit2_conv2 = Conv2D(
filters=512,
kernel_size=(3, 3),
name="stage4_unit2_conv2",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage4_unit2_conv2_pad)
stage4_unit2_bn3 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage4_unit2_bn3", trainable=False
)(stage4_unit2_conv2)
stage4_unit2_relu3 = ReLU(name="stage4_unit2_relu3")(stage4_unit2_bn3)
stage4_unit2_conv3 = Conv2D(
filters=2048,
kernel_size=(1, 1),
name="stage4_unit2_conv3",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage4_unit2_relu3)
plus14 = Add()([stage4_unit2_conv3, plus13])
stage4_unit3_bn1 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage4_unit3_bn1", trainable=False
)(plus14)
stage4_unit3_relu1 = ReLU(name="stage4_unit3_relu1")(stage4_unit3_bn1)
stage4_unit3_conv1 = Conv2D(
filters=512,
kernel_size=(1, 1),
name="stage4_unit3_conv1",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage4_unit3_relu1)
stage4_unit3_bn2 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage4_unit3_bn2", trainable=False
)(stage4_unit3_conv1)
stage4_unit3_relu2 = ReLU(name="stage4_unit3_relu2")(stage4_unit3_bn2)
stage4_unit3_conv2_pad = ZeroPadding2D(padding=tuple([1, 1]))(stage4_unit3_relu2)
stage4_unit3_conv2 = Conv2D(
filters=512,
kernel_size=(3, 3),
name="stage4_unit3_conv2",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage4_unit3_conv2_pad)
stage4_unit3_bn3 = BatchNormalization(
epsilon=1.9999999494757503e-05, name="stage4_unit3_bn3", trainable=False
)(stage4_unit3_conv2)
stage4_unit3_relu3 = ReLU(name="stage4_unit3_relu3")(stage4_unit3_bn3)
stage4_unit3_conv3 = Conv2D(
filters=2048,
kernel_size=(1, 1),
name="stage4_unit3_conv3",
strides=[1, 1],
padding="VALID",
use_bias=False,
)(stage4_unit3_relu3)
plus15 = Add()([stage4_unit3_conv3, plus14])
bn1 = BatchNormalization(epsilon=1.9999999494757503e-05, name="bn1", trainable=False)(plus15)
relu1 = ReLU(name="relu1")(bn1)
ssh_c3_lateral = Conv2D(
filters=256,
kernel_size=(1, 1),
name="ssh_c3_lateral",
strides=[1, 1],
padding="VALID",
use_bias=True,
)(relu1)
ssh_c3_lateral_bn = BatchNormalization(
epsilon=1.9999999494757503e-05, name="ssh_c3_lateral_bn", trainable=False
)(ssh_c3_lateral)
ssh_c3_lateral_relu = ReLU(name="ssh_c3_lateral_relu")(ssh_c3_lateral_bn)
ssh_m3_det_conv1_pad = ZeroPadding2D(padding=tuple([1, 1]))(ssh_c3_lateral_relu)
ssh_m3_det_conv1 = Conv2D(
filters=256,
kernel_size=(3, 3),
name="ssh_m3_det_conv1",
strides=[1, 1],
padding="VALID",
use_bias=True,
)(ssh_m3_det_conv1_pad)
ssh_m3_det_context_conv1_pad = ZeroPadding2D(padding=tuple([1, 1]))(ssh_c3_lateral_relu)
ssh_m3_det_context_conv1 = Conv2D(
filters=128,
kernel_size=(3, 3),
name="ssh_m3_det_context_conv1",
strides=[1, 1],
padding="VALID",
use_bias=True,
)(ssh_m3_det_context_conv1_pad)
ssh_c3_up = UpSampling2D(size=(2, 2), interpolation="nearest", name="ssh_c3_up")(
ssh_c3_lateral_relu
)
ssh_m3_det_conv1_bn = BatchNormalization(
epsilon=1.9999999494757503e-05, name="ssh_m3_det_conv1_bn", trainable=False
)(ssh_m3_det_conv1)
ssh_m3_det_context_conv1_bn = BatchNormalization(
epsilon=1.9999999494757503e-05, name="ssh_m3_det_context_conv1_bn", trainable=False
)(ssh_m3_det_context_conv1)
x1_shape = tf.shape(ssh_c3_up)
x2_shape = tf.shape(ssh_c2_lateral_relu)
offsets = [0, (x1_shape[1] - x2_shape[1]) // 2, (x1_shape[2] - x2_shape[2]) // 2, 0]
size = [-1, x2_shape[1], x2_shape[2], -1]
crop0 = tf.slice(ssh_c3_up, offsets, size, "crop0")
ssh_m3_det_context_conv1_relu = ReLU(name="ssh_m3_det_context_conv1_relu")(
ssh_m3_det_context_conv1_bn
)
plus0_v2 = Add()([ssh_c2_lateral_relu, crop0])
ssh_m3_det_context_conv2_pad = ZeroPadding2D(padding=tuple([1, 1]))(
ssh_m3_det_context_conv1_relu
)
ssh_m3_det_context_conv2 = Conv2D(
filters=128,
kernel_size=(3, 3),
name="ssh_m3_det_context_conv2",
strides=[1, 1],
padding="VALID",
use_bias=True,
)(ssh_m3_det_context_conv2_pad)
ssh_m3_det_context_conv3_1_pad = ZeroPadding2D(padding=tuple([1, 1]))(
ssh_m3_det_context_conv1_relu
)
ssh_m3_det_context_conv3_1 = Conv2D(
filters=128,
kernel_size=(3, 3),
name="ssh_m3_det_context_conv3_1",
strides=[1, 1],
padding="VALID",
use_bias=True,
)(ssh_m3_det_context_conv3_1_pad)
ssh_c2_aggr_pad = ZeroPadding2D(padding=tuple([1, 1]))(plus0_v2)
ssh_c2_aggr = Conv2D(
filters=256,
kernel_size=(3, 3),
name="ssh_c2_aggr",
strides=[1, 1],
padding="VALID",
use_bias=True,
)(ssh_c2_aggr_pad)
ssh_m3_det_context_conv2_bn = BatchNormalization(
epsilon=1.9999999494757503e-05, name="ssh_m3_det_context_conv2_bn", trainable=False
)(ssh_m3_det_context_conv2)
ssh_m3_det_context_conv3_1_bn = BatchNormalization(
epsilon=1.9999999494757503e-05, name="ssh_m3_det_context_conv3_1_bn", trainable=False
)(ssh_m3_det_context_conv3_1)
ssh_c2_aggr_bn = BatchNormalization(
epsilon=1.9999999494757503e-05, name="ssh_c2_aggr_bn", trainable=False
)(ssh_c2_aggr)
ssh_m3_det_context_conv3_1_relu = ReLU(name="ssh_m3_det_context_conv3_1_relu")(
ssh_m3_det_context_conv3_1_bn
)
ssh_c2_aggr_relu = ReLU(name="ssh_c2_aggr_relu")(ssh_c2_aggr_bn)
ssh_m3_det_context_conv3_2_pad = ZeroPadding2D(padding=tuple([1, 1]))(
ssh_m3_det_context_conv3_1_relu
)
ssh_m3_det_context_conv3_2 = Conv2D(
filters=128,
kernel_size=(3, 3),
name="ssh_m3_det_context_conv3_2",
strides=[1, 1],
padding="VALID",
use_bias=True,
)(ssh_m3_det_context_conv3_2_pad)
ssh_m2_det_conv1_pad = ZeroPadding2D(padding=tuple([1, 1]))(ssh_c2_aggr_relu)
ssh_m2_det_conv1 = Conv2D(
filters=256,
kernel_size=(3, 3),
name="ssh_m2_det_conv1",
strides=[1, 1],
padding="VALID",
use_bias=True,
)(ssh_m2_det_conv1_pad)
ssh_m2_det_context_conv1_pad = ZeroPadding2D(padding=tuple([1, 1]))(ssh_c2_aggr_relu)
ssh_m2_det_context_conv1 = Conv2D(
filters=128,
kernel_size=(3, 3),
name="ssh_m2_det_context_conv1",
strides=[1, 1],
padding="VALID",
use_bias=True,
)(ssh_m2_det_context_conv1_pad)
ssh_m2_red_up = UpSampling2D(size=(2, 2), interpolation="nearest", name="ssh_m2_red_up")(
ssh_c2_aggr_relu
)
ssh_m3_det_context_conv3_2_bn = BatchNormalization(
epsilon=1.9999999494757503e-05, name="ssh_m3_det_context_conv3_2_bn", trainable=False
)(ssh_m3_det_context_conv3_2)
ssh_m2_det_conv1_bn = BatchNormalization(
epsilon=1.9999999494757503e-05, name="ssh_m2_det_conv1_bn", trainable=False
)(ssh_m2_det_conv1)
ssh_m2_det_context_conv1_bn = BatchNormalization(
epsilon=1.9999999494757503e-05, name="ssh_m2_det_context_conv1_bn", trainable=False
)(ssh_m2_det_context_conv1)
x1_shape = tf.shape(ssh_m2_red_up)
x2_shape = tf.shape(ssh_m1_red_conv_relu)
offsets = [0, (x1_shape[1] - x2_shape[1]) // 2, (x1_shape[2] - x2_shape[2]) // 2, 0]
size = [-1, x2_shape[1], x2_shape[2], -1]
crop1 = tf.slice(ssh_m2_red_up, offsets, size, "crop1")
ssh_m3_det_concat = concatenate(
[ssh_m3_det_conv1_bn, ssh_m3_det_context_conv2_bn, ssh_m3_det_context_conv3_2_bn],
3,
name="ssh_m3_det_concat",
)
ssh_m2_det_context_conv1_relu = ReLU(name="ssh_m2_det_context_conv1_relu")(
ssh_m2_det_context_conv1_bn
)
plus1_v1 = Add()([ssh_m1_red_conv_relu, crop1])
ssh_m3_det_concat_relu = ReLU(name="ssh_m3_det_concat_relu")(ssh_m3_det_concat)
ssh_m2_det_context_conv2_pad = ZeroPadding2D(padding=tuple([1, 1]))(
ssh_m2_det_context_conv1_relu
)
ssh_m2_det_context_conv2 = Conv2D(
filters=128,
kernel_size=(3, 3),
name="ssh_m2_det_context_conv2",
strides=[1, 1],
padding="VALID",
use_bias=True,
)(ssh_m2_det_context_conv2_pad)
ssh_m2_det_context_conv3_1_pad = ZeroPadding2D(padding=tuple([1, 1]))(
ssh_m2_det_context_conv1_relu
)
ssh_m2_det_context_conv3_1 = Conv2D(
filters=128,
kernel_size=(3, 3),
name="ssh_m2_det_context_conv3_1",
strides=[1, 1],
padding="VALID",
use_bias=True,
)(ssh_m2_det_context_conv3_1_pad)
ssh_c1_aggr_pad = ZeroPadding2D(padding=tuple([1, 1]))(plus1_v1)
ssh_c1_aggr = Conv2D(
filters=256,
kernel_size=(3, 3),
name="ssh_c1_aggr",
strides=[1, 1],
padding="VALID",
use_bias=True,
)(ssh_c1_aggr_pad)
face_rpn_cls_score_stride32 = Conv2D(
filters=4,
kernel_size=(1, 1),
name="face_rpn_cls_score_stride32",
strides=[1, 1],
padding="VALID",
use_bias=True,
)(ssh_m3_det_concat_relu)
inter_1 = concatenate(
[face_rpn_cls_score_stride32[:, :, :, 0], face_rpn_cls_score_stride32[:, :, :, 1]], axis=1
)
inter_2 = concatenate(
[face_rpn_cls_score_stride32[:, :, :, 2], face_rpn_cls_score_stride32[:, :, :, 3]], axis=1
)
final = tf.stack([inter_1, inter_2])
face_rpn_cls_score_reshape_stride32 = tf.transpose(
final, (1, 2, 3, 0), name="face_rpn_cls_score_reshape_stride32"
)
face_rpn_bbox_pred_stride32 = Conv2D(
filters=8,
kernel_size=(1, 1),
name="face_rpn_bbox_pred_stride32",
strides=[1, 1],
padding="VALID",
use_bias=True,
)(ssh_m3_det_concat_relu)
face_rpn_landmark_pred_stride32 = Conv2D(
filters=20,
kernel_size=(1, 1),
name="face_rpn_landmark_pred_stride32",
strides=[1, 1],
padding="VALID",
use_bias=True,
)(ssh_m3_det_concat_relu)
ssh_m2_det_context_conv2_bn = BatchNormalization(
epsilon=1.9999999494757503e-05, name="ssh_m2_det_context_conv2_bn", trainable=False
)(ssh_m2_det_context_conv2)
ssh_m2_det_context_conv3_1_bn = BatchNormalization(
epsilon=1.9999999494757503e-05, name="ssh_m2_det_context_conv3_1_bn", trainable=False
)(ssh_m2_det_context_conv3_1)
ssh_c1_aggr_bn = BatchNormalization(
epsilon=1.9999999494757503e-05, name="ssh_c1_aggr_bn", trainable=False
)(ssh_c1_aggr)
ssh_m2_det_context_conv3_1_relu = ReLU(name="ssh_m2_det_context_conv3_1_relu")(
ssh_m2_det_context_conv3_1_bn
)
ssh_c1_aggr_relu = ReLU(name="ssh_c1_aggr_relu")(ssh_c1_aggr_bn)
face_rpn_cls_prob_stride32 = Softmax(name="face_rpn_cls_prob_stride32")(
face_rpn_cls_score_reshape_stride32
)
input_shape = [tf.shape(face_rpn_cls_prob_stride32)[k] for k in range(4)]
sz = tf.dtypes.cast(input_shape[1] / 2, dtype=tf.int32)
inter_1 = face_rpn_cls_prob_stride32[:, 0:sz, :, 0]
inter_2 = face_rpn_cls_prob_stride32[:, 0:sz, :, 1]
inter_3 = face_rpn_cls_prob_stride32[:, sz:, :, 0]
inter_4 = face_rpn_cls_prob_stride32[:, sz:, :, 1]
final = tf.stack([inter_1, inter_3, inter_2, inter_4])
face_rpn_cls_prob_reshape_stride32 = tf.transpose(
final, (1, 2, 3, 0), name="face_rpn_cls_prob_reshape_stride32"
)
ssh_m2_det_context_conv3_2_pad = ZeroPadding2D(padding=tuple([1, 1]))(
ssh_m2_det_context_conv3_1_relu
)
ssh_m2_det_context_conv3_2 = Conv2D(
filters=128,
kernel_size=(3, 3),
name="ssh_m2_det_context_conv3_2",
strides=[1, 1],
padding="VALID",
use_bias=True,
)(ssh_m2_det_context_conv3_2_pad)
ssh_m1_det_conv1_pad = ZeroPadding2D(padding=tuple([1, 1]))(ssh_c1_aggr_relu)
ssh_m1_det_conv1 = Conv2D(
filters=256,
kernel_size=(3, 3),
name="ssh_m1_det_conv1",
strides=[1, 1],
padding="VALID",
use_bias=True,
)(ssh_m1_det_conv1_pad)
ssh_m1_det_context_conv1_pad = ZeroPadding2D(padding=tuple([1, 1]))(ssh_c1_aggr_relu)
ssh_m1_det_context_conv1 = Conv2D(
filters=128,
kernel_size=(3, 3),
name="ssh_m1_det_context_conv1",
strides=[1, 1],
padding="VALID",
use_bias=True,
)(ssh_m1_det_context_conv1_pad)
ssh_m2_det_context_conv3_2_bn = BatchNormalization(
epsilon=1.9999999494757503e-05, name="ssh_m2_det_context_conv3_2_bn", trainable=False
)(ssh_m2_det_context_conv3_2)
ssh_m1_det_conv1_bn = BatchNormalization(
epsilon=1.9999999494757503e-05, name="ssh_m1_det_conv1_bn", trainable=False
)(ssh_m1_det_conv1)
ssh_m1_det_context_conv1_bn = BatchNormalization(
epsilon=1.9999999494757503e-05, name="ssh_m1_det_context_conv1_bn", trainable=False
)(ssh_m1_det_context_conv1)
ssh_m2_det_concat = concatenate(
[ssh_m2_det_conv1_bn, ssh_m2_det_context_conv2_bn, ssh_m2_det_context_conv3_2_bn],
3,
name="ssh_m2_det_concat",
)
ssh_m1_det_context_conv1_relu = ReLU(name="ssh_m1_det_context_conv1_relu")(
ssh_m1_det_context_conv1_bn
)
ssh_m2_det_concat_relu = ReLU(name="ssh_m2_det_concat_relu")(ssh_m2_det_concat)
ssh_m1_det_context_conv2_pad = ZeroPadding2D(padding=tuple([1, 1]))(
ssh_m1_det_context_conv1_relu
)
ssh_m1_det_context_conv2 = Conv2D(
filters=128,
kernel_size=(3, 3),
name="ssh_m1_det_context_conv2",
strides=[1, 1],
padding="VALID",
use_bias=True,
)(ssh_m1_det_context_conv2_pad)
ssh_m1_det_context_conv3_1_pad = ZeroPadding2D(padding=tuple([1, 1]))(
ssh_m1_det_context_conv1_relu
)
ssh_m1_det_context_conv3_1 = Conv2D(
filters=128,
kernel_size=(3, 3),
name="ssh_m1_det_context_conv3_1",
strides=[1, 1],
padding="VALID",
use_bias=True,
)(ssh_m1_det_context_conv3_1_pad)
face_rpn_cls_score_stride16 = Conv2D(
filters=4,
kernel_size=(1, 1),
name="face_rpn_cls_score_stride16",
strides=[1, 1],
padding="VALID",
use_bias=True,
)(ssh_m2_det_concat_relu)
inter_1 = concatenate(
[face_rpn_cls_score_stride16[:, :, :, 0], face_rpn_cls_score_stride16[:, :, :, 1]], axis=1
)
inter_2 = concatenate(
[face_rpn_cls_score_stride16[:, :, :, 2], face_rpn_cls_score_stride16[:, :, :, 3]], axis=1
)
final = tf.stack([inter_1, inter_2])
face_rpn_cls_score_reshape_stride16 = tf.transpose(
final, (1, 2, 3, 0), name="face_rpn_cls_score_reshape_stride16"
)
face_rpn_bbox_pred_stride16 = Conv2D(
filters=8,
kernel_size=(1, 1),
name="face_rpn_bbox_pred_stride16",
strides=[1, 1],
padding="VALID",
use_bias=True,
)(ssh_m2_det_concat_relu)
face_rpn_landmark_pred_stride16 = Conv2D(
filters=20,
kernel_size=(1, 1),
name="face_rpn_landmark_pred_stride16",
strides=[1, 1],
padding="VALID",
use_bias=True,
)(ssh_m2_det_concat_relu)
ssh_m1_det_context_conv2_bn = BatchNormalization(
epsilon=1.9999999494757503e-05, name="ssh_m1_det_context_conv2_bn", trainable=False
)(ssh_m1_det_context_conv2)
ssh_m1_det_context_conv3_1_bn = BatchNormalization(
epsilon=1.9999999494757503e-05, name="ssh_m1_det_context_conv3_1_bn", trainable=False
)(ssh_m1_det_context_conv3_1)
ssh_m1_det_context_conv3_1_relu = ReLU(name="ssh_m1_det_context_conv3_1_relu")(
ssh_m1_det_context_conv3_1_bn
)
face_rpn_cls_prob_stride16 = Softmax(name="face_rpn_cls_prob_stride16")(
face_rpn_cls_score_reshape_stride16
)
input_shape = [tf.shape(face_rpn_cls_prob_stride16)[k] for k in range(4)]
sz = tf.dtypes.cast(input_shape[1] / 2, dtype=tf.int32)
inter_1 = face_rpn_cls_prob_stride16[:, 0:sz, :, 0]
inter_2 = face_rpn_cls_prob_stride16[:, 0:sz, :, 1]
inter_3 = face_rpn_cls_prob_stride16[:, sz:, :, 0]
inter_4 = face_rpn_cls_prob_stride16[:, sz:, :, 1]
final = tf.stack([inter_1, inter_3, inter_2, inter_4])
face_rpn_cls_prob_reshape_stride16 = tf.transpose(
final, (1, 2, 3, 0), name="face_rpn_cls_prob_reshape_stride16"
)
ssh_m1_det_context_conv3_2_pad = ZeroPadding2D(padding=tuple([1, 1]))(
ssh_m1_det_context_conv3_1_relu
)
ssh_m1_det_context_conv3_2 = Conv2D(
filters=128,
kernel_size=(3, 3),
name="ssh_m1_det_context_conv3_2",
strides=[1, 1],
padding="VALID",
use_bias=True,
)(ssh_m1_det_context_conv3_2_pad)
ssh_m1_det_context_conv3_2_bn = BatchNormalization(
epsilon=1.9999999494757503e-05, name="ssh_m1_det_context_conv3_2_bn", trainable=False
)(ssh_m1_det_context_conv3_2)
ssh_m1_det_concat = concatenate(
[ssh_m1_det_conv1_bn, ssh_m1_det_context_conv2_bn, ssh_m1_det_context_conv3_2_bn],
3,
name="ssh_m1_det_concat",
)
ssh_m1_det_concat_relu = ReLU(name="ssh_m1_det_concat_relu")(ssh_m1_det_concat)
face_rpn_cls_score_stride8 = Conv2D(
filters=4,
kernel_size=(1, 1),
name="face_rpn_cls_score_stride8",
strides=[1, 1],
padding="VALID",
use_bias=True,
)(ssh_m1_det_concat_relu)
inter_1 = concatenate(
[face_rpn_cls_score_stride8[:, :, :, 0], face_rpn_cls_score_stride8[:, :, :, 1]], axis=1
)
inter_2 = concatenate(
[face_rpn_cls_score_stride8[:, :, :, 2], face_rpn_cls_score_stride8[:, :, :, 3]], axis=1
)
final = tf.stack([inter_1, inter_2])
face_rpn_cls_score_reshape_stride8 = tf.transpose(
final, (1, 2, 3, 0), name="face_rpn_cls_score_reshape_stride8"
)
face_rpn_bbox_pred_stride8 = Conv2D(
filters=8,
kernel_size=(1, 1),
name="face_rpn_bbox_pred_stride8",
strides=[1, 1],
padding="VALID",
use_bias=True,
)(ssh_m1_det_concat_relu)
face_rpn_landmark_pred_stride8 = Conv2D(
filters=20,
kernel_size=(1, 1),
name="face_rpn_landmark_pred_stride8",
strides=[1, 1],
padding="VALID",
use_bias=True,
)(ssh_m1_det_concat_relu)
face_rpn_cls_prob_stride8 = Softmax(name="face_rpn_cls_prob_stride8")(
face_rpn_cls_score_reshape_stride8
)
input_shape = [tf.shape(face_rpn_cls_prob_stride8)[k] for k in range(4)]
sz = tf.dtypes.cast(input_shape[1] / 2, dtype=tf.int32)
inter_1 = face_rpn_cls_prob_stride8[:, 0:sz, :, 0]
inter_2 = face_rpn_cls_prob_stride8[:, 0:sz, :, 1]
inter_3 = face_rpn_cls_prob_stride8[:, sz:, :, 0]
inter_4 = face_rpn_cls_prob_stride8[:, sz:, :, 1]
final = tf.stack([inter_1, inter_3, inter_2, inter_4])
face_rpn_cls_prob_reshape_stride8 = tf.transpose(
final, (1, 2, 3, 0), name="face_rpn_cls_prob_reshape_stride8"
)
model = Model(
inputs=data,
outputs=[
face_rpn_cls_prob_reshape_stride32,
face_rpn_bbox_pred_stride32,
face_rpn_landmark_pred_stride32,
face_rpn_cls_prob_reshape_stride16,
face_rpn_bbox_pred_stride16,
face_rpn_landmark_pred_stride16,
face_rpn_cls_prob_reshape_stride8,
face_rpn_bbox_pred_stride8,
face_rpn_landmark_pred_stride8,
],
)
model = load_weights(model)
return model